Air compressor



FIG. 1 is a perspective view of an air compressor showing my new design;

FIG. 2 is a left side elevational view;

FIG. 3 is a top plan view;

FIG. 4 is a right side elevational view;

FIG. 5 is a bottom plan view;

FIG. 6 is a front elevational view; and,

FIG. 7 is a rear elevational view;

The electrical cord is omitted in FIGS. 2 through 5 and 7 in order to completely disclose the compressor. 

The ornamental design for an air compressor, as shown and described. 